WebKit in Apple iOS before 10, tvOS before 10, iTunes before 12.5.1 on Windows, and Safari before 10 mishandles error prototypes, which allows remote attackers to execute arbitrary code via a crafted web site.
https://support.apple.com/HT207158
https://support.apple.com/HT207157
https://support.apple.com/HT207143
https://support.apple.com/HT207142
http://www.securitytracker.com/id/1036854
http://www.securityfocus.com/bid/93064
http://lists.apple.com/archives/security-announce/2016/Sep/msg00012.html
http://lists.apple.com/archives/security-announce/2016/Sep/msg00011.html
http://lists.apple.com/archives/security-announce/2016/Sep/msg00008.html
http://lists.apple.com/archives/security-announce/2016/Sep/msg00007.html